1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/* $OpenBSD: cpu.h,v 1.12 2002/03/14 01:26:48 millert Exp $ */
/* $NetBSD: cpu.h,v 1.41 1999/10/21 20:01:36 ragge Exp $ */
/*
* Copyright (c) 1994 Ludd, University of Lule}, Sweden
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed at Ludd, University of Lule}
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _VAX_CPU_H_
#define _VAX_CPU_H_
#ifdef _KERNEL
#include <sys/cdefs.h>
#include <sys/device.h>
#include <machine/mtpr.h>
#include <machine/pcb.h>
#include <machine/uvax.h>
#include <machine/psl.h>
#define enablertclock()
#define cpu_wait(p)
#define cpu_swapout(p)
#define cpu_number() 0
/*
* All cpu-dependent info is kept in this struct. Pointer to the
* struct for the current cpu is set up in locore.c.
*/
struct cpu_dep {
void (*cpu_steal_pages)(void); /* pmap init before mm is on */
int (*cpu_mchk)(caddr_t); /* Machine check handling */
void (*cpu_memerr)(void); /* Memory subsystem errors */
/* Autoconfiguration */
void (*cpu_conf)(void);
int (*cpu_clkread)(time_t); /* Read cpu clock time */
void (*cpu_clkwrite)(void); /* Write system time to cpu */
short cpu_vups; /* speed of cpu */
short cpu_scbsz; /* (estimated) size of system control block */
void (*cpu_halt)(void); /* Cpu dependent halt call */
void (*cpu_reboot)(int); /* Cpu dependent reboot call */
void (*cpu_clrf)(void); /* Clear cold/warm start flags */
void (*cpu_subconf)(struct device *);/*config cpu dep. devs */
};
extern struct cpu_dep *dep_call; /* Holds pointer to current CPU struct. */
struct clockframe {
int pc;
int ps;
};
extern struct device *booted_from;
extern int mastercpu;
extern int bootdev;
#define setsoftnet() mtpr(12,PR_SIRR)
#define setsoftclock() mtpr(8,PR_SIRR)
#define todr() mfpr(PR_TODR)
/*
* Preempt the current process if in interrupt from user mode,
* or after the current trap/syscall if in system mode.
*/
#define need_resched(){ \
want_resched++; \
mtpr(AST_OK,PR_ASTLVL); \
}
/*
* Notify the current process (p) that it has a signal pending,
* process as soon as possible.
*/
#define signotify(p) mtpr(AST_OK,PR_ASTLVL);
extern int want_resched; /* resched() was called */
/*
* Give a profiling tick to the current process when the user profiling
* buffer pages are invalid. On the hp300, request an ast to send us
* through trap, marking the proc as needing a profiling tick.
*/
#define need_proftick(p) {(p)->p_flag |= P_OWEUPC; mtpr(AST_OK,PR_ASTLVL); }
/*
* This defines the I/O device register space size in pages.
*/
#define IOSPSZ ((64*1024) / VAX_NBPG) /* 64k == 128 pages */
struct device;
/* Some low-level prototypes */
int badaddr(caddr_t, int);
void cpu_swapin(struct proc *);
int hp_getdev(int, int, struct device **);
int sd_getdev(int, int, int, int, char **);
int ra_getdev(int, int, int, char **);
int bdevtomaj(int);
void dumpconf(void);
void dumpsys(void);
void swapconf(void);
void disk_printtype(int, int);
void disk_reallymapin(struct buf *, struct pte *, int, int);
vaddr_t vax_map_physmem(paddr_t, int);
void vax_unmap_physmem(vaddr_t, int);
void ioaccess(vaddr_t, paddr_t, int);
void iounaccess(vaddr_t, int);
void findcpu(void);
#ifdef DDB
int kdbrint(int);
#endif
#endif /* _KERNEL */
#endif /* _VAX_CPU_H_ */
|
